
5100 Series Thread to Connect
December 3, 2025
2807 – Smooth Bore PTFE
December 15, 20255400 Series Low Air Inclusion Refrigerant QRC
5400 Aircon Dash4 to 16
QRC special female thread requires seal and either braze or thread adaptor to connect to installations.
Category: Quick Release Couplings
Carlton Comment
5400 Series Low Air Inclusion Refrigerant QRC series is popular with the refrigerant and research/university sectors.
The modular design allows these quick release couplings to be installed in the traditional fixed pipework refrigerant applications, with the various brass braze adaptors or to mobile plant applications with JIC male adaptors.
There is also the options to connect the 5400 directly to a hose assembly with the R5 or E-Z Clip(TM) hosetails.
When replacing a QRC, Carlton always recommends changing the adaptor seal ‘Component Part No. 2’ below.
Typical Applications
5400 Series Low Air Inclusion Refrigerant QRC series low air inclusion product line is designed for air conditioning, refrigerant, gaseous and fluid transfer applications.

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